Captain Sam Vimes' life is changed when a figure from his past returns to Ankh-Morpork.

Cast: Richard Dormer, Wendell Pierce, Samuel Adewunmi, Hakeem Kae-Kazim, Joe Vaz, Adam Hugill, Ralph Ineson, Marama Corlett, Anna Chancellor, Jo Eaton-Kent, Shane John Kruger, Shaun Verth, Lara Rossi, Ruth Madeley, Bianca Simone Mannie